The Internet Key Exchange (IKE) daemon received a STOP command but was unable to kill the main thread. The most likely reason is that the MAIN thread no longer exists.

errno is the z/OS® UNIX System Services return code. These return codes are listed and described in the return codes (errnos) information in z/OS UNIX System Services Messages and Codes.

errnojr is the hexadecimal z/OS UNIX System Services reason code. The format of the 4-byte reason code is explained in the introduction to the reason codes (errnojrs) information in the z/OS UNIX System Services Messages and Codes, where the reason codes are listed.

description describes the meaning of errno.